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How to Change the 4 Digit Code on a Schlage Lock?

Fact checked by Teddy B.Miller

how to change the 4 digit code on a schlage lock

Want to learn how to change the 4 digit code on a Schlage lock? You need to press the Schlage button and number 1 at the same time. The Schlage button will beep and flash three times. Once it is done, you can now enter your new code. Wait until the Schlage button stops flashing and beeping. Re-enter your new code.

If you don’t have any idea on how to change code on Schlage door lock, follow the steps and prepare the items needed. This tutorial will only take you five minutes as long as you do everything correctly.


3  Step to Change the 4 Digit Code on a Schlage Lock

What You Need

  • Pen – Prepare a pen for writing down your new code.
  • Notebook – If you want to have a copy of your new code, a notebook would be very handy. It would be useful in case you forgot the code of your Schlage lock. One of the options is a casebound notebook.


Step 1: Press the Schlage button and number 1 at the same time

Before you change the code of your Schlage lock, make sure that the door is open since you will need to have access to the interior and exterior assembly of the lock. Press the Schlage button and the number 1 button at the same time. The Schlage button will flash and beep three times.

Step 2: Enter your new four-digit code

After the flashing and the beeping of the Schlage button, enter your new four-digit code. Make sure that you take note of your new code in a notebook since it would be impossible for the company to retrieve it. You would need to figure it out on your own if you forget your combination.

If the lock has saved its maximum number of codes, you cannot add a new code. To delete an existing code, enter the lock’s program code, press the schlage button and number 2 at the same time. Then, enter your old code to confirm its deletion.

Step 3: Re-enter your new code

Once you are finished entering your new code, the Schlage button will flash and beep three times. You can now re-enter the code to confirm that you have changed it. Keep a copy of your new code and place it in a secure place where it won’t be accessible to strangers.

If you want to see how it is done, you can check this video tutorial to know how you can change the code of your Schlage lock: How to Change the Code on a Schlage Lock.

Frequently Asked Questions


Where is the programming code in a Schlage lock?

The default programming code of your Schlage lock is found on the label of the programming guide included in your package. If it is not in there, you can also check it on the back of the lock. However, you may need to remove your Schlage lock from the door to check the code.

Why can’t I add a new user code?

One of the reasons is that there are already 19 codes existing in your Schlage lock. You can delete one user code to add a new one.

Another reason is that the second code you entered did not match the first code. Try entering the code again.

It may also be the case that the new code you entered was the same as your programming code.

How will I restore the factory settings of my Schlage lock after I lost my programming code?

  1. Remove the battery’s cover on the interior assembly of the lock then disconnect the battery.
  2. Press the Schlage button as you reconnect the battery; then, let go of the button.
  3. Press the Schlage button until there is a green light flashing and a beep. You must perform the final step within 10 seconds.

Recommended post: Schlage door lock resetting guide.

What should I do if the red Schlage button is blinking even though no codes have been entered?

If the red Schlage button blinks without even entering your code, it indicates that the lock is already low in battery.

How can I remove all of the codes on my Schlage lock?

Press the Schlage button then enter your programming code. After that, press number 6, then enter your programming code again as a confirmation of the removal of all of the codes. Once all codes are deleted, you can now unlock your Schlage lock without using any codes unless you create a new one.


Do you feel satisfied with our tutorial on how to change the 4 digit code on a Schlage lock? By following the steps carefully, it is easy to learn Schlage smart lock change code 4 digit. You won’t need any professional help because the instructions are easy and straightforward.

If you find this article on Schlage keyless lock change code useful, you can share this post with your friends and loved ones who have trouble changing their codes. You can also share with us your experiences and ideas regarding the tutorial. Just leave a comment below.

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